Frequencies for first 10,000 rows of spec_use variable in vehicle dataset :

SPECIAL USE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,895       98.95       98.95
          1 |          5        0.05       99.00
          2 |          3        0.03       99.03
          3 |          7        0.07       99.10
          4 |          5        0.05       99.15
          5 |         31        0.31       99.46
          6 |          8        0.08       99.54
          7 |          5        0.05       99.59
          9 |         41        0.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016